DATAMATH CALCULATOR MUSEUM |
Additional Pictures
This TI-73
ViewScreen calculator with the Date code
I-0598 was manufactured by Inventec in Taiwan in May 1998 . Please notice the bulkier housing to accommodate the additional electronics. |
The
printed circuit boards (PCBs) of the TI-73 VSC are identical with its sibling but added a small connector to a piggy-back PCB with the two additional driver circuits. |
The PCB of this TI-73
VSC manufactured in May 1998 with the classic Z80 based
architecture. The Flash-ROM AM 29F400 stores up to 512k Bytes Program and the SRAM Epson SRM2B256 sports 32k Bytes capacity. |
Additional Zoom-Images -
Zilog Z80 CPU:
|
Additional Zoom-Images - ASIC. |
Additional Zoom-Images - NOR Flash-ROM: |
Additional Zoom-Images - S-RAM: |
The Toshiba T6A04 display driver
of the TI-73 VSC in a small COB housing mounted on a second PCB: |
If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, August 9, 2009. No reprints without written permission.